/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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*/
package org.teiid.query.sql.lang;
import org.teiid.query.sql.symbol.Constant;
import org.teiid.query.sql.symbol.Expression;
import org.teiid.query.sql.symbol.ExpressionSymbol;
import junit.framework.TestCase;
public class TestExpressionSymbol extends TestCase {
public void testExpressionHashCode() {
Expression expr1 = new Constant(new Integer(1));
Expression expr2 = new Constant(new Integer(2));
ExpressionSymbol symbol1 = new ExpressionSymbol("foo", expr1); //$NON-NLS-1$
ExpressionSymbol symbol2 = new ExpressionSymbol("bar", expr2); //$NON-NLS-1$
assertFalse(symbol1.hashCode() == symbol2.hashCode());
}
public void testExpressionHashCode1() {
Expression expr1 = new Constant(new Integer(1));
Expression expr2 = new Constant(new Integer(1));
ExpressionSymbol symbol1 = new ExpressionSymbol("foo", expr1); //$NON-NLS-1$
ExpressionSymbol symbol2 = new ExpressionSymbol("bar", expr2); //$NON-NLS-1$
assertTrue(symbol1.hashCode() == symbol2.hashCode());
}
}